FHC-Core/application/models/crm/Student_model.php

<?php
class Student_model extends DB_Model
{

	/**
	 * Constructor
	 */
	public function __construct()
	{
		parent::__construct();
		$this->dbTable = 'public.tbl_student';
		$this->pk = array('student_uid');
		$this->hasSequence = false;
	}

	// ****
	// * Generiert die Matrikelnummer
	// * FORMAT: 0710254001
	// * 07 = Jahr
	// * 1/2/0  = WS/SS/incoming
	// * 0254 = Studiengangskennzahl vierstellig
	// * 001 = Laufende Nummer
	// ****
	public function generateMatrikelnummer($studiengang_kz, $studiensemester_kurzbz)
	{
		$jahr = mb_substr($studiensemester_kurzbz, 4);
		$sem = mb_substr($studiensemester_kurzbz, 0, 2);
		if ($sem == 'SS')
			$jahr = $jahr - 1;
		$art = 0;

		$matrikelnummer = sprintf("%02d", $jahr).$art.sprintf("%04d", $studiengang_kz);

		$qry = "SELECT matrikelnr FROM public.tbl_student WHERE matrikelnr LIKE ? ORDER BY matrikelnr DESC LIMIT 1";

		$matrikelnrres = $this->execQuery($qry, array($matrikelnummer.'%'));

		if (hasData($matrikelnrres))
		{
			$max = mb_substr($matrikelnrres->retval[0]->matrikelnr, 7);
		}
		else
			$max = 0;

		$max += 1;
		return $matrikelnummer.sprintf("%03d", $max);
	}

	/**
	 * Get students UID by PrestudentID.
	 * @param $prestudent_id
	 * @return mixed
	 */
	public function getUID($prestudent_id)
	{
		$this->addSelect('student_uid');

		$result = $this->loadWhere(
			array('prestudent_id' => $prestudent_id)
		);

		if (!hasData($result))
		{
			show_error('Failed getting UID by prestudent_id');
		}

		return $result->retval[0]->student_uid;
	}

	/**
	 * Get students UID by PrestudentID.
	 * @param $prestudent_id
	 * @return mixed
	 */
	public function checkIfUID($prestudent_id)
	{
		$this->addSelect('student_uid');

		$result = $this->loadWhere(
			array('prestudent_id' => $prestudent_id)
		);

		if(isError($result))
		{
			return error( "Error while checking student_uid");
		}

		if (!hasData($result))
		{
			return success("0","Keine Student_uid vorhanden");
		}

		$student_uid = $result->retval[0]->student_uid;

		return success ($student_uid);

	}

	public function searchStudent($filter)
	{
		$this->addSelect('vorname, nachname, gebdatum, person.person_id, student_uid');
		$this->addJoin('public.tbl_prestudent ps', 'prestudent_id');
		$this->addJoin('public.tbl_person person', 'person_id');

		$result = $this->loadWhere(
			"lower(student_uid) like ".$this->db->escape('%'.$filter.'%')."
			OR lower(person.nachname) like ".$this->db->escape('%'.$filter.'%')."
			OR lower(person.vorname) like ".$this->db->escape('%'.$filter.'%')."
			OR lower(person.nachname || ' ' || person.vorname) like ".$this->db->escape('%'.$filter.'%')."
			OR lower(person.vorname || ' ' || person.nachname) like ".$this->db->escape('%'.$filter.'%'));

		return $result;
	}

	/**
	 * Get the FH-Email for a student (not the private kontakt email)
	 * @param $student_uid
	 * @return string
	 */
	public function getEmailFH($student_uid)
	{
		return $student_uid . '@' . DOMAIN;
	}

	/**
	 * Check if StudentenRolle already exists
	 * @param integer $prestudent_id
	 * @return 0 if not exists, count(rollen) if it does
	 * Copy from studentDBDML.php
	 */
	public function checkIfExistingStudentRolle($prestudent_id)
	{
		$qry = "SELECT 
    				count(*) as anzahl 
				FROM 
				    public.tbl_student 
				WHERE 
				    prestudent_id = ? ";

		$result = $this->execQuery($qry, array($prestudent_id));

		if (isError($result))
		{
			return error($result);
		}
		else
		{
			$resultObject = current(getData($result));

			if (property_exists($resultObject, 'anzahl')) {
				$resultValue = (int) $resultObject->anzahl;

				if ($resultValue > 0)
				{
					return success($resultValue, $resultValue . " vorhandene Rollen");
				}
				else
				{
					return success("0");
				}
			} else {
				return error("StudentModel: Error During Check if Existing Student Rolle.");
			}
		}
	}
}